Mindy Weisberger

Mathematician and astrologer John Dee, a confidant of England's Queen Elizabeth I, was also an avid occultist and allegedly used this obsidian mirror to talk to spirits.

The patient developed a fatal infection from antibiotic-resistant E. coli bacteria.

The story behind an oddball sky glow endearingly named "Steve" is revealed in a new documentary. Here's why the light show captivated aurora chasers.

Enigmatic STEVE is somewhat like an aurora...and somewhat different.

New analysis of the ancient crocodylian Deinosuchus confirms that this apex predator had jaws and teeth that were powerful enough to subdue massive dinosaur prey.

'Prehistoric Planet,' a five-part documentary series, transports viewers into the mesmerizing world of the Cretaceous period.

DNA evidence from a 13th-century Mongol massacre revealed a tragic glimpse at a family of victims spanning three generations.

About 30 million years ago, resin hardened around a flower and a parasitic wasp, preserving clues to their relationship in an ancient ecosystem.

More than a decade of drought recently revealed long-submerged bodies in the depths of Lake Mead, a vast reservoir in Las Vegas.

Cuneiform tablets from ancient Assyria dating to 679 B.C. contain the earliest written record of an aurora.

New analysis of fossil skulls from sperm whales that lived millions of years ago shows that numerous species of ancient sharks preyed on the whales … and ate their faces.

Scientists identified shark DNA in pet food products, none of which listed shark meat in the ingredients.

Recently unearthed footage that documented the aftermath of the Chernobyl accident remained hidden for decades.

A malformed megalodon tooth hinted at an injury that caused it to develop with a split down the middle.

When food starts running low in wasp larvae nurseries, the babies resort to cannibalism in order to survive.

Scientists recently described six new species of miniature frogs that inhabit forest floors in Mexico and Guatemala.

Scientists recently found that tardigrades can travel by snail to reach new destinations that were otherwise beyond their reach.

Once mating is over, male orb-weavers catapult off the bodies of females to avoid being eaten, moving at a speed that's too fast to glimpse with the naked eye.

Can tardigrades travel by snail? New experiments suggest that it's possible — and hazardous.

Violent head shaking helps normally placid geckos subdue dangerous scorpion prey.

A star that formed when the universe was young was recently spotted by Hubble space telescope. It's the most distant star ever seen and could be 500 times as massive as the sun.

Crazy ant colonies in North America are being driven to extinction by a fungus that targets the invasive pest species.

On March 25, thousands of young people around the world mobilized to demand government action to curb climate change.

A relatively small pulsar (a dense, collapsed and rapidly-spinning star) belched out a giant filament containing matter and antimatter particles that streamed for trillions of miles.